import {TangentSpaceNormalMap} from '../constants.js'
import {Material} from './Material.js'
import {Vector2} from '../math/Vector2.js'

/**
 * parameters = {
 *  opacity: <float>,
 *
 *  bumpMap: new THREE.Texture( <Image> ),
 *  bumpScale: <float>,
 *
 *  normalMap: new THREE.Texture( <Image> ),
 *  normalMapType: THREE.TangentSpaceNormalMap,
 *  normalScale: <Vector2>,
 *
 *  displacementMap: new THREE.Texture( <Image> ),
 *  displacementScale: <float>,
 *  displacementBias: <float>,
 *
 *  wireframe: <boolean>,
 *  wireframeLinewidth: <float>
 *
 *  skinning: <bool>,
 *  morphTargets: <bool>,
 *  morphNormals: <bool>
 * }
 */

function MeshNormalMaterial(parameters) {
  Material.call(this)

  this.type = 'MeshNormalMaterial'

  this.bumpMap = null
  this.bumpScale = 1

  this.normalMap = null
  this.normalMapType = TangentSpaceNormalMap
  this.normalScale = new Vector2(1, 1)

  this.displacementMap = null
  this.displacementScale = 1
  this.displacementBias = 0

  this.wireframe = false
  this.wireframeLinewidth = 1

  this.fog = false

  this.skinning = false
  this.morphTargets = false
  this.morphNormals = false

  this.setValues(parameters)
}

MeshNormalMaterial.prototype = Object.create(Material.prototype)
MeshNormalMaterial.prototype.constructor = MeshNormalMaterial

MeshNormalMaterial.prototype.isMeshNormalMaterial = true

MeshNormalMaterial.prototype.copy = function (source) {
  Material.prototype.copy.call(this, source)

  this.bumpMap = source.bumpMap
  this.bumpScale = source.bumpScale

  this.normalMap = source.normalMap
  this.normalMapType = source.normalMapType
  this.normalScale.copy(source.normalScale)

  this.displacementMap = source.displacementMap
  this.displacementScale = source.displacementScale
  this.displacementBias = source.displacementBias

  this.wireframe = source.wireframe
  this.wireframeLinewidth = source.wireframeLinewidth

  this.skinning = source.skinning
  this.morphTargets = source.morphTargets
  this.morphNormals = source.morphNormals

  return this
}

export {MeshNormalMaterial}
